// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_EXAMPLES_WIDGET_EXAMPLE_H_
#define UI_VIEWS_EXAMPLES_WIDGET_EXAMPLE_H_

#include <string>

#include "base/macros.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/examples/example_base.h"
#include "ui/views/widget/widget.h"

namespace views {
namespace examples {

    // WidgetExample demonstrates how to create a popup widget.
    class VIEWS_EXAMPLES_EXPORT WidgetExample : public ExampleBase,
                                                public ButtonListener {
    public:
        WidgetExample();
        ~WidgetExample() override;

        // ExampleBase:
        void CreateExampleView(View* container) override;

    private:
        // Button tags used to identify various commands.
        enum Command {
            POPUP, // Show a popup widget.
            DIALOG, // Show a dialog widget.
            MODAL_DIALOG, // Show a modal dialog widget.
            CHILD, // Show a child widget.
            CLOSE_WIDGET, // Close the sender button's widget.
        };

        // Construct a button with the specified |label| and |tag| in |container|.
        void BuildButton(View* container, const std::string& label, int tag);

        // Construct a Widget for |sender|, initialize with |params|, and call Show().
        void ShowWidget(View* sender, Widget::InitParams params);

        // ButtonListener:
        void ButtonPressed(Button* sender, const ui::Event& event) override;

        DISALLOW_COPY_AND_ASSIGN(WidgetExample);
    };

} // namespace examples
} // namespace views

#endif // UI_VIEWS_EXAMPLES_WIDGET_EXAMPLE_H_
